package com.tjetc.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.tjetc.common.JsonResult;
import com.tjetc.dao.*;
import com.tjetc.entity.*;
import com.tjetc.service.GoodsRecordService;
import com.tjetc.service.OrderInfoService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
@Service
public class OrderInfoServiceImpl implements OrderInfoService {
    @Autowired
    private OrderInfoMapper orderInfoMapper;
    @Autowired
    private ElderInfoMapper elderInfoMapper;
    @Autowired
    private EmployeeMapper employeeMapper;
    @Override
    public JsonResult findById(Long id) {
        OrderInfo orderInfo=orderInfoMapper.selectById(id);
        ElderInfo elderInfo=elderInfoMapper.selectById(orderInfo.getElderlyId());
        Employee employee=employeeMapper.selectById(orderInfo.getOperatorId());
        orderInfo.setElderly(elderInfo);
        orderInfo.setEmployee(employee);
        return JsonResult.success(orderInfo);
    }
    @Override
    public   JsonResult findElderPage(String name, Integer pageNo, Integer pageSize){
        //设置页码和每页数量
        Page<OrderInfo> page=Page.of(pageNo,pageSize);
        //把adminPage传入mapper查询中，adminPage就是最后的分页结果
            Page<OrderInfo>orderInfoPage= orderInfoMapper.selectPageLikeElder(page,name);
        for (OrderInfo orderInfo : orderInfoPage.getRecords()) {
            ElderInfo elderInfo=elderInfoMapper.selectById(orderInfo.getElderlyId());
            Employee employee=employeeMapper.selectById(orderInfo.getOperatorId());
            orderInfo.setElderly(elderInfo);
            orderInfo.setEmployee(employee);
        }
        //convert方法转换Page中 records集合元素类型 Admin---->AdminView
        //new Function<Admin,AdminView>(){};表示创建一个实现Function的匿名类 对象
        return JsonResult.success(orderInfoPage);
    }
    @Override
    public   JsonResult findEmployeePage(String name, Integer pageNo, Integer pageSize){
        //设置页码和每页数量
        Page<OrderInfo> page=Page.of(pageNo,pageSize);
        //把adminPage传入mapper查询中，adminPage就是最后的分页结果
        Page<OrderInfo>orderInfoPage= orderInfoMapper.selectPageLikeEmployee(page,name);
        for (OrderInfo orderInfo : orderInfoPage.getRecords()) {
            ElderInfo elderInfo=elderInfoMapper.selectById(orderInfo.getElderlyId());
            Employee employee=employeeMapper.selectById(orderInfo.getOperatorId());
            orderInfo.setElderly(elderInfo);
            orderInfo.setEmployee(employee);
        }
        //convert方法转换Page中 records集合元素类型 Admin---->AdminView
        //new Function<Admin,AdminView>(){};表示创建一个实现Function的匿名类 对象
        return JsonResult.success(orderInfoPage);
    }
    @Override
    public JsonResult deleteById(Long id) {
        int rows=orderInfoMapper.deleteById(id);
        if (rows>0){
            return JsonResult.success("删除成功");
        }
        else {
            return JsonResult.fail("删除失败");
        }
    }
    //@Transactional用在service方法上，保证事务
    //注意：默认情况@Transactional只对运行时异常起作用(RuntimeException)
    @Transactional
    @Override
    public JsonResult save(OrderInfo orderInfoParam) {
        OrderInfo orderInfo=null;
        LocalDateTime now=LocalDateTime.now();
        //通过判断id值有无判断是新增还是更新，id值无是新增，id值有就是更新
        if(orderInfoParam.getOrderId()==null||orderInfoParam.getOrderId()<=0){
            //新增
            orderInfo=new OrderInfo();
            BeanUtils.copyProperties(orderInfoParam,orderInfo);
            orderInfo.setCreateTime(now);
            orderInfo.setUpdateTime(now);
            orderInfoMapper.insert(orderInfo);
            return JsonResult.success("新增成功",null);
        }else{
            //更新
            //根据id查询Admin信息
            orderInfo=orderInfoMapper.selectById(orderInfoParam.getOrderId());
            if(orderInfo==null){
                return JsonResult.fail("用户不存在，更新失败");
            }
            //要更新的字段
            orderInfo.setUpdateTime(now);
            orderInfo.setEmployee(orderInfoParam.getEmployee());
            orderInfo.setElderly(orderInfoParam.getElderly());
            orderInfo.setOrderNo(orderInfoParam.getOrderNo());
            orderInfo.setActualAmount(orderInfoParam.getActualAmount());
            orderInfo.setAmount(orderInfoParam.getAmount());
            orderInfo.setDiscount(orderInfoParam.getDiscount());
            orderInfo.setElderlyId(orderInfoParam.getElderlyId());
            orderInfo.setIsDeleted(orderInfoParam.getIsDeleted());
            orderInfo.setOperatorId(orderInfoParam.getOperatorId());
            orderInfo.setPaymentMethod(orderInfoParam.getPaymentMethod());
            orderInfo.setPayTime(orderInfoParam.getPayTime());
            orderInfo.setRemark(orderInfoParam.getRemark());
            orderInfo.setStatus(orderInfoParam.getStatus());
            int rows=orderInfoMapper.updateById(orderInfo);
            if (rows>0){
                return JsonResult.success("更新成功",null);
            }else {
                return JsonResult.fail("用户不存在，更新失败");
            }
        }
    }
}
